Paper-making is _________of ancient China.

问题描述:

Paper-making is _________of ancient China.
A.one of greatest inventor
B.one of greatest inventors
C.one of greatest invention
D.one of greatest inventions

D.one of greatest inventions
inventor是发明家的意思
nvention是发明的意思
one of the+可数名词复数/不可数名词
译为:造纸术是中国古代一项伟大的发明